NullReferenceException in Default.aspx

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1/21/2012 4:51:25 PM
ABM
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NullReferenceException in Default.aspx

Woo hoo! As I was typing the details to my error, I was rereading it before posting and I got an idea. I'm new to .net so the following error intimidated me. However, after the initial confusion wore off, reading the error stack started to make sense. Hopefully I can prevent some stress for someone with a similar problem. Parts of the error message mentioed GetRolesFromCookie leading me to think it is a problem with the cookie, especially since I am always logged into my site. Furthermore, this error happened in Firefox. IE8 works fine. I deleted the cookies for my site in Firefox and the site comes up fine now!

Joe, if you're reading this, awesome product! It has really saved me time from building websites and I can concentrate on designing them. My next project is to start building add-ins. Thanks, Joe!

2012-01-21 15:06:27,656 ERROR mojoPortal.Web.Global - 68.9.114.159-en-US - /Default.aspx
System.NullReferenceException: Object reference not set to an instance of an object.
at mojoPortal.Web.mojoRoleProvider.GetRolesFromCookie()
at mojoPortal.Web.mojoRoleProvider.GetRolesForUser(String userName)
at System.Web.Security.RolePrincipal.IsInRole(String role)
at mojoPortal.Business.WebHelpers.WebUser.IsInRole(String role)
at mojoPortal.Business.WebHelpers.WebUser.get_IsAdmin()
at mojoPortal.Web.UI.AnalyticsAsyncTopScript.DoInit()
at mojoPortal.Web.UI.AnalyticsAsyncTopScript.OnInit(EventArgs e)
at System.Web.UI.Control.InitRecursive(Control namingContainer)
at System.Web.UI.Control.InitRecursive(Control namingContainer)
at System.Web.UI.Control.InitRecursive(Control namingContainer)
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

1/22/2012 7:03:21 AM
Joe Audette
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Re: NullReferenceException in Default.aspx

Hi,

Actually this was reported previously on this thread, and we determined it was the result of a change from the recent ASP.NET security update that came down via windows update. The problem occurred if you had a persistent role cookie then it started throwing this exception right after the update was applied. It can be solved by clearing the cookies as you found, but I also patched the 2.3.7.6 release to handle this error and reset the cookie automatically. The reason it didn't happen in IE is probably because you didn't already have a persistent cookie there.

Thanks for the compliments on mojoPortal!

Best,

Joe

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